2804252

Information

• Patent Grant
• 2804252

• References
• Source

• Patent Number

  2,804,252

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1957
  67 years ago

• CPC

  • B65D5/64 - Lids
  • B65D5/4295 - Ventilating arrangements
  • B65D5/48012 - combined with inserted partitions
  • Y10S229/916 - Means for ventilating while stacked

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes